Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

part of text filter

Posted on 2014-10-12
2
Medium Priority
?
108 Views
Last Modified: 2014-10-16
Hi Expert
I am trying to get data form a table using following code, it does not wotk

     Dim datemp As New SqlDataAdapter(" select * FROM customer ", conexp)
        datemp.Fill(dstemp, "customer")
        dttemp = dstemp.Tables("customer")
        Dim dv As New DataView

        dv = New DataView(dstemp.Tables(0), " Microsoft.VisualBasic.Left(customer.ccode, 3) ' ='FMS'", "", DataViewRowState.CurrentRows)
        DataGridView1.DataSource = dv

please help
0
Comment
Question by:b001
2 Comments
 
LVL 35

Accepted Solution

by:
Robert Schutt earned 2000 total points
ID: 40375798
The selection filter is not supposed to use VB.NET code, you can use some SQL-like functions, see explanation here: http://msdn.microsoft.com/en-us/library/system.data.datacolumn.expression(v=vs.100).aspx (under Expression Syntax).

In this case you could use:
dv = New DataView(dttemp, "Substring(ccode, 1, 3)='FMS'", "", DataViewRowState.CurrentRows)

Open in new window

0
 
LVL 40
ID: 40375916
I would expand on Robert's answer.

Shy away from anything that comes from the Microsoft.VisualBasic namespace. This has been designed to enable conversions from VB6 to VB.NET (as bad as they are), and to help amateur programmers moving from classic to .NET VB programming.

Learn to use the equivalent methods in the framework instead. They are often easier to use, but the most important reason is that they usually offer more features, such as text alignment on the MessageBox.Show method that replaces MsgBox. They also prepare you to switch to another language if you ever need to, because all the .NET languages use those methods, while only VB uses the Microsoft.VisualBasic methods.

When you do not find what is the equivalent in .NET of a VB6 method or feature, simply ask here. You can also give a look a document I built for my own use while I was making the transition 14 years ago. It far from being complete, but it can help you starting. Disregard the French introduction, the listing of equivalences is understandable for anybody who know VB.
0

Featured Post

Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This tutorial demonstrates one way to create an application that runs without any Forms but still has a GUI presence via an Icon in the System Tray. The magic lies in Inheriting from the ApplicationContext Class and passing that to Application.Ru…
Introduction As chip makers focus on adding processor cores over increasing clock speed, developers need to utilize the features of modern CPUs.  One of the ways we can do this is by implementing parallel algorithms in our software.   One recent…
In response to a need for security and privacy, and to continue fostering an environment members can turn to for support, solutions, and education, Experts Exchange has created anonymous question capabilities. This new feature is available to our Pr…
Loops Section Overview
Suggested Courses

885 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question